BRAKE ACTUATOR ON-VEHICLE INSPECTION


  1. CHECK BRAKE ACTUATOR OPERATION


    1. Move the shift lever to P. Apply the parking brake and connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn on the GTS.

    4. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test / Actuator Air Bleeding Pattern / Data List / Master Cylinder Sensor, Master Cylinder Sensor 2, FR W/C Sensor, FL W/C Sensor, RR W/C Sensor, RL W/C Sensor.

    5. Turn on the Actuator Air Bleeding Pattern test, and check the solenoid (SLA##, SLR##, Electronically Controlled Brake System Solenoid (SMC1), Electronically Controlled Brake System Solenoid (SMC2)).

      Note

      Do not depress the brake pedal.

      Tech Tips


      • It takes approximately 70 seconds to complete the check.

      • The sensors will be checked one by one within the 70 second time period.

      • If incorrect, troubleshoot the brake system Click here.


      1. Check the FR W/C Sensor output voltage.

        Standard Voltage
        Sensor After starting check (V) 10 to 20 sec. after starting check (V)
        Master Cylinder Sensor 0.3 to 0.7 0.3 to 0.7
        Master Cylinder Sensor 2 0.3 to 0.7 0.3 to 0.7
        FR W/C Sensor 2.5 to 4.5 0.3 to 0.7
        FL W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RL W/C Sensor 0.3 to 0.7 0.3 to 0.7

      2. Check the FL W/C Sensor output voltage.

        Standard Voltage
        Sensor After starting check (V) 10 to 20 sec. after starting check (V)
        Master Cylinder Sensor 0.3 to 0.7 0.3 to 0.7
        Master Cylinder Sensor 2 0.3 to 0.7 0.3 to 0.7
        FR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        FL W/C Sensor 2.5 to 4.5 0.3 to 0.7
        RR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RL W/C Sensor 0.3 to 0.7 0.3 to 0.7

      3. Check the RR W/C Sensor output voltage.

        Standard Voltage
        Sensor After starting check (V) 10 to 20 sec. after starting check (V)
        Master Cylinder Sensor 0.3 to 0.7 0.3 to 0.7
        Master Cylinder Sensor 2 0.3 to 0.7 0.3 to 0.7
        FR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        FL W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RR W/C Sensor 2.5 to 4.7 0.3 to 0.7
        RL W/C Sensor 0.3 to 0.7 0.3 to 0.7

      4. Check the RL W/C Sensor output voltage.

        Standard Voltage
        Sensor After starting check (V) 10 to 20 sec. after starting check (V)
        Master Cylinder Sensor 0.3 to 0.7 0.3 to 0.7
        Master Cylinder Sensor 2 0.3 to 0.7 0.3 to 0.7
        FR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        FL W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RR W/C Sensor 0.3 to 0.7 0.3 to 0.7
        RL W/C Sensor 2.5 to 4.7 0.3 to 0.7

    6. Check the changeover solenoid valves, (SMC1, SMC2)


      1. Enter the following menus: Chassis / ABS/VSC/TRC / Electronically Controlled Brake Utility / Electronically Controlled Brake Invalid / enter Electronically Controlled Brake system Invalid to prohibit the brake control.

      2. Check that the brake control warning light comes on.

      3. Enter the following menus: Chassis / ABS/VSC/TRC / Data List / Master Cylinder Sensor, Master Cylinder Sensor 2, FR W/C Sensor and FL W/C Sensor.

      4. Check the output voltage by depressing the brake pedal.

        Standard voltage
        Difference in output voltage between "Master Cylinder Sensor" and "FR W/C Sensor" is less than 0.4 V.
        Difference in output voltage between "Master Cylinder Sensor 2" and "FL W/C Sensor" is less than 0.4 V.

      5. Enter the following menus: Chassis / ABS/VSC/TRC / Electronically Controlled Brake Utility / Electronically Controlled Brake Invalid / and cancel brake control prohibition (Electronically Controlled Brake Invalid).

  2. CHECK PRESSURE SENSOR OPERATION


    1. Check the battery voltage.

      Standard voltage
      11 to 14 V (with the engine stopped)

    2. Connect the hydro LSPV gauge (SST) and pedal effort gauge.


      1. A01FQMJE01
        Text in Illustration
        *1 Pedal Effort Gauge

        Install the hydro LSPV gauge (SST) and brake pedal effort gauge.

        SST
        09709-29018

      2. Bleed air from the LSPV gauge (SST).

      3. Move the shift lever to P. Connect the GTS to the DLC3 with the parking brake applied.

      4. Turn the power switch on (IG).

      5. Clear the DTCs Click here.

    3. Check the wheel cylinder pressure sensor and master pressure sensor.


      1. turn the GTS on.

      2. Enter the following menus: Chassis / ABS/VSC/TRC / Data List / Master Cylinder Sensor, Master Cylinder Sensor 2, FR W/C Sensor, FL W/C Sensor, RR W/C Sensor, and RL W/C Sensor.

      3. Check the brake pedal effort gauge and output pressure voltage.

        Standard Voltage
        for 17 inch Front Disc Brake (except Sport Package)
        Brake Effort N (kgf, lbf) Master Cylinder Sensor (V) Master Cylinder Sensor 2 (V)
        200 (20, 45.0) 0.70 to 1.10 0.70 to 1.10
        500 (51, 112.4) 1.48 to 1.88 1.46 to 1.86
        for 17 inch Front Disc Brake (except Sport Package)
        Brake Effort N (kgf, lbf)

        Front Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FR W/C Sensor (V)
        50 (5, 11.2) 2.84 to 4.84 (29.0 to 49.3, 412 to 702) 1.08 to 1.48
        100 (10, 22.4) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        150 (15, 34.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        200 (20, 45.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        for 17 inch Front Disc Brake (except Sport Package)
        Brake Effort N (kgf, lbf)

        Front Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FL W/C Sensor (V)
        50 (5, 11.2) 2.84 to 4.84 (29.0 to 49.3, 412 to 702) 1.08 to 1.48
        100 (10, 22.4) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        150 (15, 34.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        200 (20, 45.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        for 17 inch Front Disc Brake (except Sport Package)
        Brake Effort N (kgf, lbf)

        Rear Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RR W/C Sensor (V)
        50 (5, 11.2) 2.84 to 4.84 (29.0 to 49.3, 412 to 702) 1.08 to 1.48
        100 (10, 22.4) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        150 (15, 34.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        200 (20, 45.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        for 17 inch Front Disc Brake (except Sport Package)
        Brake Effort N (kgf, lbf)

        Rear Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RL W/C Sensor (V)
        50 (5, 11.2) 2.84 to 4.84 (29.0 to 49.3, 412 to 702) 1.08 to 1.48
        100 (10, 22.4) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        150 (15, 34.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        200 (20, 45.0) 4.29 to 6.29 (43.7 to 64.1, 622 to 912) 1.38 to 1.78
        for 17 inch Front Disc Brake (for Sport Package)
        Brake Effort N (kgf, lbf) Master Cylinder Sensor (V) Master Cylinder Sensor 2 (V)
        200 (20, 45.0) 0.70 to 1.10 0.70 to 1.10
        500 (51, 112.4) 1.46 to 1.86 1.45 to 1.85
        for 17 inch Front Disc Brake (for Sport Package)
        Brake Effort N (kgf, lbf)

        Front Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FR W/C Sensor (V)
        50 (5, 11.2) 2.19 to 4.19 (22.3 to 42.7, 317 to 607) 0.95 to 1.35
        100 (10, 22.4) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.6 to 59.6, 558 to 848) 1.25 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.6 to 59.6, 558 to 848) 1.29 to 1.69
        for 17 inch Front Disc Brake (for Sport Package)
        Brake Effort N (kgf, lbf)

        Front Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FL W/C Sensor (V)
        50 (5, 11.2) 2.19 to 4.19 (22.3 to 42.1, 317 to 607) 0.95 to 1.35
        100 (10, 22.4) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        for 17 inch Front Disc Brake (for Sport Package)
        Brake Effort N (kgf, lbf)

        Rear Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RR W/C Sensor (V)
        50 (5, 11.2) 2.19 to 4.19 (22.3 to 42.7, 317 to 607) 0.95 to 1.35
        100 (10, 22.4) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        for 17 inch Front Disc Brake (for Sport Package)
        Brake Effort N (kgf, lbf)

        Rear Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RL W/C Sensor (V)
        50 (5, 11.2) 2.19 to 4.19 (22.3 to 42.7, 317 to 607) 0.95 to 1.35
        100 (10, 22.4) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.2 to 59.6, 558 to 848) 1.29 to 1.69
        for 18 inch Front Disc Brake
        Brake Effort N (kgf, lbf) Master Cylinder Sensor (V) Master Cylinder Sensor 2 (V)
        200 (20, 45.0) 0.70 to 1.10 0.70 to 1.10
        500 (51, 112.4) 1.49 to 1.89 1.47 to 1.87
        for 18 inch Front Disc Brake
        Brake Effort N (kgf, lbf)

        Front Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FR W/C Sensor (V)
        50 (5, 11.2) 2.25 to 4.25 (23.0 to 43.3, 326 to 616) 0.96 to 1.36
        100 (10, 22.4) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        for 18 inch Front Disc Brake
        Brake Effort N (kgf, lbf)

        Front Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 FL W/C Sensor (V)
        50 (5, 11.2) 2.25 to 4.25 (23.0 to 43.3, 326 to 616) 0.96 to 1.36
        100 (10, 22.4) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        for 18 inch Front Disc Brake
        Brake Effort N (kgf, lbf)

        Rear Right Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RR W/C Sensor (V)
        50 (5, 11.2) 2.25 to 4.25 (23.0 to 43.3, 326 to 616) 0.96 to 1.36
        100 (10, 22.4) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        for 18 inch Front Disc Brake
        Brake Effort N (kgf, lbf)

        Rear Left Wheel Hydraulic Pressure MPa (kgf/cm2, psi)

        		 RL W/C Sensor (V)
        50 (5, 11.2) 2.25 to 4.25 (23.0 to 43.3, 326 to 616) 0.96 to 1.36
        100 (10, 22.4) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        150 (15, 34.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69
        200 (20, 45.0) 3.85 to 5.85 (39.3 to 59.6, 558 to 848) 1.29 to 1.69

        If the result is not as specified, troubleshoot the brake system Click here.

    4. Check the accumulator sensor.


      1. Move the shift lever to P. Apply the parking brake and connect the GTS to the DLC3.

      2. Turn the power switch on (IG).

      3. Turn the GTS on.

      4. Enter the following menus: Chassis / ABS/VSC/TRC / Data List / Accumulator Sensor.

      5. Temporarily operate the pump motor by depressing the brake pedal 4 or 5 times.

      6. After confirming that the pump motor stops, check the output voltage.

        Standard voltage
        2.6 to 3.8 V

        If the result is not as specified, troubleshoot the brake system Click here.